# -*- coding: utf-8 -*-

import os
os.chdir("..")

from scrapy.selector import Selector
#from urllib import request
import urllib2
import urllib3
#import urllib.request, urllib.parse, urllib.error
import random
import Data.ExtractData as Data



user_agents = ["Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; AcooBrowser; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
    "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Acoo Browser; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506)",
    "Mozilla/4.0 (compatible; MSIE 7.0; AOL 9.5; AOLBuild 4337.35; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
    "Mozilla/5.0 (Windows; U; MSIE 9.0; Windows NT 9.0; en-US)",
    "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 2.0.50727; Media Center PC 6.0)",
    "Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 1.0.3705; .NET CLR 1.1.4322)",
    "Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.2; .NET CLR 3.0.04506.30)",
    "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN) AppleWebKit/523.15 (KHTML, like Gecko, Safari/419.3) Arora/0.3 (Change: 287 c9dfb30)",
    "Mozilla/5.0 (X11; U; Linux; en-US) AppleWebKit/527+ (KHTML, like Gecko, Safari/419.3) Arora/0.6",
    "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.2pre) Gecko/20070215 K-Ninja/2.1.1",
    "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9) Gecko/20080705 Firefox/3.0 Kapiko/3.0",
    "Mozilla/5.0 (X11; Linux i686; U;) Gecko/20070322 Kazehakase/0.4.5",
    "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.8) Gecko Fedora/1.9.0.8-1.fc10 Kazehakase/0.5.6",
    "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11",
    "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/535.20 (KHTML, like Gecko) Chrome/19.0.1036.7 Safari/535.20",
    "Opera/9.80 (Macintosh; Intel Mac OS X 10.6.8; U; fr) Presto/2.9.168 Version/11.52",]


def get_content(pagesUrl):
    content=""
    try:
        index = random.randint(0, 15)
        user_agent = user_agents[index]
        head = {'User-Agent': user_agent}
        proxy = {'http':'http://109.105.1.52:8080','https':'http://109.105.1.52:8080','User-Agent': user_agent}
        req = urllib2.Request(pagesUrl, headers=head)
        response = urllib2.urlopen(req,timeout=3)
        content = response.read().decode('utf-8')
    except Exception as e:
        print ("error:",e.message)

    return content

def get_title(content):
    title = Selector(text = content).xpath('/html/head/title/text()').extract()
    if title != None:
        if len(title) == 0:
            return ""
        title = title[0]
    title = title.replace(u"\n","").replace(u";","").replace(u" ","").replace(u"\r","").replace(u"\t","").replace(u"\d","")
    return title


def set_proxy():
    urllib3.ProxyManager = urllib3.proxy_from_url('http://109.105.1.52:8080')

    proxy_handler = urllib2.ProxyHandler({"http": 'http://109.105.1.52:8080',"https": 'http://109.105.1.52:8080'})
    opener = urllib2.build_opener(proxy_handler)
    urllib2.install_opener(opener)


if __name__ == '__main__':

    set_proxy()

    data = Data.ExtractData()

    for url in data.read_url():
        _url = url
        if _url.startswith('http') == False:
            _url = "http://" + url
        content = get_content(_url)
        title = get_title(content)
        data.load_title(url,title)
        print (url,title)

    data.combine_title()

    pass